23Synonyms found for flap

Word Origin & History

flap early 14c., flappe "a blow, slap," probably imitative of the sound of striking. Meaning "something that hangs down" is first recorded 1520s. Sense of "motion or noise like a bird's wing" is 1774; meaning "disturbance, noisy tumult" is 1916, British slang. The verb meaning "to swing loosely" is from 1520s. Related: Flapped; flapping.

Example Sentences for flap

The flap of the envelope should be plain and the point not unduly long.

The beasts trumpet loudly, flap their ears and turn in circles.

When hemorrhaging occurs on either flap, the normally flexible folds swell and impair proper functioning.

Once it nears the surface again, it can flap its tail and taxi without fully returning to the water.

Zipper-sealed flap protects your gear from the elements.

They don't need to flap their wings as often as smaller birds.

They also have a flap of skin on the bottom of their necks called a dewlap.

When a water flea or some other small creature swims past, it bends trigger hairs on the bladder, causing a flap to open.

He put his pinkie in the hole and observed that a flap of canvas had been pushed back.